Inventor · disambiguated record

Ralf Jackstell

Also filed as: JACKSTELL RALF

57 granted patents·26 pending applications·261 citations·filing 2001–2025

98Inventor score

Technology areasC07C B01J C07F C07D C08K

Files withEVONIK OPERATIONS GMBH28 EVONIK DEGUSSA GMBH27 OXENO OLEFINCHEMIE GMBH7 EVONIK OXENO GMBH & CO KG6 FRANKE ROBERT4

Top patents by PatentIndex Score

83 records

0198US9725398B2Benzene-based diphosphine ligands for alkoxycarbonylationEVONIK DEGUSSA GMBH·Filed 2016·Granted Aug 8, 2017·12 cites·14 claims
0296US10294191B2Monophosphine compounds and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compoundsEVONIK DEGUSSA GMBH·Filed 2016·Granted May 21, 2019·6 cites·10 claims
0396US10202329B2Ferrocene-based compounds and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compoundsEVONIK DEGUSSA GMBH·Filed 2016·Granted Feb 12, 2019·6 cites·14 claims
0496US10077228B2Ferrocene-based compounds and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compoundsEVONIK DEGUSSA GMBH·Filed 2016·Granted Sep 18, 2018·7 cites·16 claims
0595US6956133B2Process for hydroformylating an olefinOXENO OLEFINCHEMIE GMBH·Filed 2004·Granted Oct 18, 2005·40 cites·4 claims
0695US6924389B2Method for producing diphosphines and the use thereofOXENO OLEFINCHEMIE GMBH·Filed 2002·Granted Aug 2, 2005·45 cites·7 claims
0794US11866399B2Process for hydroformylation of olefins using Pt and bromineEVONIK OPERATIONS GMBH·Filed 2022·Granted Jan 9, 2024·1 cites·14 claims
0894US11739042B2Process for hydroformylation of olefins using Pt and iodine or bromineEVONIK OPERATIONS GMBH·Filed 2022·Granted Aug 29, 2023·1 cites·15 claims
0993US9688604B2Phosphine ligand and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compoundsEVONIK DEGUSSA GMBH·Filed 2016·Granted Jun 27, 2017·7 cites·7 claims
1092US11912726B2Pt-xanthene-iodine complex and Pt-xanthene-bromine complexEVONIK OPERATIONS GMBH·Filed 2022·Granted Feb 27, 2024·1 cites·12 claims
1189US12077494B2Alkoxycarbonylation of trivinylcyclohexaneEVONIK OPERATIONS GMBH·Filed 2023·Granted Sep 3, 2024·0 cites·2 claims
1289US11712688B2Platinum complexes having benzyl-based diphosphine ligands for the catalysis of the alkoxycarbonylation of ethylenically unsaturated compoundsEVONIK OPERATIONS GMBH·Filed 2021·Granted Aug 1, 2023·1 cites·1 claims
1389US10562838B2Process for the alkoxycarbonylation of olefins in a medium having a low Brønsted acid concentrationEVONIK DEGUSSA GMBH·Filed 2017·Granted Feb 18, 2020·3 cites·12 claims
1488US7109346B2N-phenyl-pyrrol bisphosphane compounds and the metal complexes of the sameOXENO OLEFINCHEMIE GMBH & CO K·Filed 2001·Granted Sep 19, 2006·37 cites·17 claims
1588US2023348356A1Butyl-bridged diphosphine ligands for alkoxycarbonylationEVONIK OPERATIONS GMBH·Filed 2023·Application pending·0 cites
1686US8927776B2Method for hydroformylation of unsaturated compoundsFRANKE ROBERT·Filed 2011·Granted Jan 6, 2015·5 cites·20 claims
1785US10696702B2Propyl-bridged diphosphine ligands for alkoxycarbonylationEVONIK DEGUSSA GMBH·Filed 2019·Granted Jun 30, 2020·2 cites·24 claims
1885US7758897B2Method for the production of metal complexesEVONIK OXENO GMBH·Filed 2003·Granted Jul 20, 2010·18 cites·9 claims
1985US7115790B2Method for the production of 1-octene by reductive telomerisationOXENO OLEFINCHEMIE GMBH·Filed 2002·Granted Oct 3, 2006·15 cites·15 claims
2081US7026523B2Method for telomerizing non-cyclic olefinsOXENO OLEFINCHEMIE GMBH·Filed 2002·Granted Apr 11, 2006·20 cites·15 claims
2180US9938310B21, 1′-bis(phosphino)ferrocene ligands for alkoxycarbonylationEVONIK DEGUSSA GMBH·Filed 2017·Granted Apr 10, 2018·1 cites·20 claims
2280US9238607B1Process for the catalytic production of unsaturated aldehydesLEIBNIZ INST FÜR KATALYSE E V AN DER UNIVERSITÄT ROSTOCK LIKAT·Filed 2015·Granted Jan 19, 2016·2 cites·13 claims
2380US8415422B2(Meth)acrylate monomer, polymer and coating agentSCHUETZ THORBEN·Filed 2009·Granted Apr 9, 2013·7 cites·22 claims
2478US10407375B2Methoxycarbonylation with formic acid as CO sourceEVONIK DEGUSSA GMBH·Filed 2018·Granted Sep 10, 2019·1 cites·14 claims
2578US7589081B2Nitrogen-containing monodentate phosphines and their use in catalysisDEGUSSA·Filed 2004·Granted Sep 15, 2009·10 cites·18 claims
2677US7504542B2Preparation of α-hydroxy ketones via carbene-catalyzed umpolung reaction of aldehydesEVONIK DEGUSSA GMBH·Filed 2007·Granted Mar 17, 2009·5 cites·20 claims
2776US12030899B2Pt-biphenyl-iodine complex and Pt-biphenyl-bromine complexEVONIK OPERATIONS GMBH·Filed 2022·Granted Jul 9, 2024·0 cites·11 claims
2876US2021276939A1Butyl-bridged diphosphine ligands for alkoxycarbonylationEVONIK OPERATIONS GMBH·Filed 2021·Application pending·0 cites
2974US2023219072A1Platinum complexes having benzyl-based diphosphine ligands for the catalysis of the alkoxycarbonylation of ethylenically unsaturated compoundsEVONIK OPERATIONS GMBH·Filed 2023·Application pending·0 cites
3073US11655266B2Platinum complexes having binaphthyldiphosphine ligands for the catalysis of the hydroxycarbonylation of ethylenically unsaturated compoundsEVONIK OPERATIONS GMBH·Filed 2021·Granted May 23, 2023·0 cites·13 claims
3173US11629115B2Alkoxycarbonylation of trivinylcyclohexaneEVONIK OPERATIONS GMBH·Filed 2020·Granted Apr 18, 2023·0 cites·13 claims
3273US7371909B2Method for producing 1-olefins using palladium carbene compoundsOXENO OLEFINCHEMIE GMBH·Filed 2002·Granted May 13, 2008·6 cites·24 claims
3372US11866400B2Process for hydroformylation of olefins using Pt and DPEphosEVONIK OPERATIONS GMBH·Filed 2022·Granted Jan 9, 2024·0 cites·15 claims
3471US11773042B2Process for hydroformylation of olefins using Pt and iodineEVONIK OPERATIONS GMBH·Filed 2022·Granted Oct 3, 2023·0 cites·15 claims
3571US11623912B2Triesters of cyclohexanetripropionic acidEVONIK OPERATIONS GMBH·Filed 2020·Granted Apr 11, 2023·0 cites·14 claims
3669US2024360066A1Process for alkoxycarbonylation of olefins using synthesis gasEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
3768US2024383833A1Process for preparing an acetal from an olefin using an iodine-alkyl compoundEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
3867US2025206691A1Process for the ruthenium-catalysed hydrogenation of aldehyde acetalsEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
3966US2024010587A1Process for the preparation of dicidalEVONIK OPERATIONS GMBH·Filed 2023·Application pending·0 cites
4066US2024010593A1Process for preparing the dialdehyde of vinylcyclohexeneEVONIK OPERATIONS GMBH·Filed 2023·Application pending·0 cites
4166US2024383832A1Process for preparing an acetal from an olefin using PtI2 or PtBr2EVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
4265US11925926B2Platinum complexes having ferrocene diphosphine ligands for catalysis of the hydroxycarbonylation of ethylenically unsaturated compoundsEVONIK OPERATIONS GMBH·Filed 2021·Granted Mar 12, 2024·0 cites·9 claims
4365US2025188012A1Process for the stereoselective hydrogenation of phthalatesEVONIK OXENO GMBH & CO KG·Filed 2024·Application pending·0 cites
4464US2023191384A1Pt-thixantphos-iodine complex and Pt-thixantphos-bromine complexEVONIK OPERATIONS GMBH·Filed 2022·Application pending·0 cites
4564US2023192741A1Pt-DPEphos-iodine complex and Pt-DPEphos-bromine complexEVONIK OPERATIONS GMBH·Filed 2022·Application pending·0 cites
4662US2023191385A1Process for the hydroformylation of olefins using Pt and thixantphosEVONIK OPERATIONS GMBH·Filed 2022·Application pending·0 cites
4761US12195483B2Platinum complexes having ferrocene ligands for the catalysis of the alkoxycarbonylation of ethylenically unsaturated compoundsEVONIK OPERATIONS GMBH·Filed 2021·Granted Jan 14, 2025·0 cites·7 claims
4861US11773049B2Ru-catalyzed domino hydroformylation/hydrogenation/esterification using phosphine ligandsEVONIK OPERATIONS GMBH·Filed 2021·Granted Oct 3, 2023·0 cites·15 claims
4961US10550060B2Process for the direct conversion of alkenes to carboxylic acidsEVONIK DEGUSSA GMBH·Filed 2018·Granted Feb 4, 2020·0 cites·9 claims
5060US10494324B2Process for Pd-catalyzed hydroxycarbonylation of diisobutene: effect of solventEVONIK DEGUSSA GMBH·Filed 2018·Granted Dec 3, 2019·0 cites·5 claims

Showing the top 50 of 83 patent records by PatentIndex Score.

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →